WO2005060526A3 - Flexible spinal fixation elements - Google Patents

Flexible spinal fixation elements Download PDF

Info

Publication number
WO2005060526A3
WO2005060526A3 PCT/US2004/039829 US2004039829W WO2005060526A3 WO 2005060526 A3 WO2005060526 A3 WO 2005060526A3 US 2004039829 W US2004039829 W US 2004039829W WO 2005060526 A3 WO2005060526 A3 WO 2005060526A3
Authority
WO
WIPO (PCT)
Prior art keywords
fixation element
spinal fixation
flexible spinal
fixation elements
flexible
Prior art date
Application number
PCT/US2004/039829
Other languages
French (fr)
Other versions
WO2005060526A2 (en
Inventor
Christopher W Sicvol
Michael Mahoney
J Riley Hawkins
James Brennan
Carl Lauryssen
Original Assignee
Depuy Spine Inc
Christopher W Sicvol
Michael Mahoney
J Riley Hawkins
James Brennan
Carl Lauryssen
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Depuy Spine Inc, Christopher W Sicvol, Michael Mahoney, J Riley Hawkins, James Brennan, Carl Lauryssen filed Critical Depuy Spine Inc
Priority to EP04812364A priority Critical patent/EP1694224A2/en
Priority to JP2006545687A priority patent/JP2007513738A/en
Priority to AU2004304926A priority patent/AU2004304926A1/en
Priority to CA002548726A priority patent/CA2548726A1/en
Publication of WO2005060526A2 publication Critical patent/WO2005060526A2/en
Publication of WO2005060526A3 publication Critical patent/WO2005060526A3/en

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7074—Tools specially adapted for spinal fixation operations other than for bone removal or filler handling
    • A61B17/7083—Tools for guidance or insertion of tethers, rod-to-anchor connectors, rod-to-rod connectors, or longitudinal elements
    • A61B17/7085—Tools for guidance or insertion of tethers, rod-to-anchor connectors, rod-to-rod connectors, or longitudinal elements for insertion of a longitudinal element down one or more hollow screw or hook extensions, i.e. at least a part of the element within an extension has a component of movement parallel to the extension's axis
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7002—Longitudinal elements, e.g. rods
    • A61B17/7004—Longitudinal elements, e.g. rods with a cross-section which varies along its length
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
    • A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
    • A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
    • A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
    • A61B17/70—Spinal positioners or stabilisers ; Bone stabilisers comprising fluid filler in an implant
    • A61B17/7001—Screws or hooks combined with longitudinal elements which do not contact vertebrae
    • A61B17/7002—Longitudinal elements, e.g. rods
    • A61B17/7011—Longitudinal element being non-straight, e.g. curved, angled or branched
    • A61B17/7013—Longitudinal element being non-straight, e.g. curved, angled or branched the shape of the element being adjustable before use

Abstract

A flexible spinal fixation element is provided that is movable between a first position, in which the spinal fixation element is adapted to be angularly manipulated, and a second, locked position, in which the spinal fixation element is aligned in a desired orientation and is immovable. The configuration of the flexible spinal fixation element can vary, but the fixation element is preferably formed from a bioimplantable member having segments or a bellows configuration that allows the fixation element to be selectively configurable between the first and second positions. In use, the flexibility of the spinal fixation element allows the fixation element to be introduced through a percutaneous access device, thereby advantageously allowing the fixation element to be implanted using minimally invasive techniques.
PCT/US2004/039829 2003-12-16 2004-11-29 Flexible spinal fixation elements WO2005060526A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP04812364A EP1694224A2 (en) 2003-12-16 2004-11-29 Flexible spinal fixation elements
JP2006545687A JP2007513738A (en) 2003-12-16 2004-11-29 Flexible spinal fixation element
AU2004304926A AU2004304926A1 (en) 2003-12-16 2004-11-29 Flexible spinal fixation elements
CA002548726A CA2548726A1 (en) 2003-12-16 2004-11-29 Flexible spinal fixation elements

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/737,734 2003-12-16
US10/737,734 US20050131407A1 (en) 2003-12-16 2003-12-16 Flexible spinal fixation elements

Publications (2)

Publication Number Publication Date
WO2005060526A2 WO2005060526A2 (en) 2005-07-07
WO2005060526A3 true WO2005060526A3 (en) 2006-03-23

Family

ID=34654198

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/039829 WO2005060526A2 (en) 2003-12-16 2004-11-29 Flexible spinal fixation elements

Country Status (6)

Country Link
US (1) US20050131407A1 (en)
EP (1) EP1694224A2 (en)
JP (1) JP2007513738A (en)
AU (1) AU2004304926A1 (en)
CA (1) CA2548726A1 (en)
WO (1) WO2005060526A2 (en)

Families Citing this family (170)

* Cited by examiner, † Cited by third party
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US20050131407A1 (en) 2005-06-16
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WO2005060526A2 (en) 2005-07-07
CA2548726A1 (en) 2005-07-07

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